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  <title>Copy a function to a new function name</title>
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<div id="layout">
  <div id="layout-content"><div id="function.runkit7-function-copy" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">runkit7_function_copy</h1>
  <p class="verinfo">(PECL runkit7 &gt;= Unknown)</p><p class="refpurpose"><span class="refname">runkit7_function_copy</span> &mdash; <span class="dc-title">
   Copy a function to a new function name
  </span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.runkit7-function-copy-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>runkit7_function_copy</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$source_name</code></span>, <span class="methodparam"><span class="type">string</span> <code class="parameter">$target_name</code></span>): <span class="type">bool</span></div>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.runkit7-function-copy-parameters">
  <h3 class="title">参数</h3>
  <dl>
   
    <dt>
<code class="parameter">source_name</code></dt>

    <dd>

     <p class="para">
       Name of the existing function
     </p>
    </dd>

   
   
    <dt>
<code class="parameter">target_name</code></dt>

    <dd>

     <p class="para">
       Name of the new function to copy the definition to
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.runkit7-function-copy-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>true</code></strong>， 或者在失败时返回 <strong><code>false</code></strong>。
  </p>
 </div>



 <div class="refsect1 examples" id="refsect1-function.runkit7-function-copy-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-602">
    <p><strong>示例 #1 A <span class="function"><strong>runkit7_function_copy()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">original</span><span style="color: #007700">()&nbsp;{<br />&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"In&nbsp;a&nbsp;function\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">runkit7_function_copy</span><span style="color: #007700">(</span><span style="color: #DD0000">'original'</span><span style="color: #007700">,</span><span style="color: #DD0000">'duplicate'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">original</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">duplicate</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
In a function
In a function
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.runkit7-function-copy-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.runkit7-function-add.html" class="function" rel="rdfs-seeAlso">runkit7_function_add()</a> - Add a new function, similar to create_function</span></li>
    <li class="member"><span class="function"><a href="function.runkit7-function-redefine.html" class="function" rel="rdfs-seeAlso">runkit7_function_redefine()</a> - Replace a function definition with a new implementation</span></li>
    <li class="member"><span class="function"><a href="function.runkit7-function-rename.html" class="function" rel="rdfs-seeAlso">runkit7_function_rename()</a> - Change a function's name</span></li>
    <li class="member"><span class="function"><a href="function.runkit7-function-remove.html" class="function" rel="rdfs-seeAlso">runkit7_function_remove()</a> - Remove a function definition</span></li>
   </ul>
  </p>
 </div>


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